<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<!--target="contentFrm"为跳转的框架的位置-->
<a href="http://www.baidu.com" target="contentFrm">百度网址</a><br>
<a href="http://www.qq.com" target="contentFrm">QQ网址</a><br>
<a href="http://www.jd.com" target="contentFrm">京东网址</a><br>
</body>
</html>